Polyphonies du XIIIe Siècle

Matrix number (engraved on disc):
side 1 (230): PART ????; M6-?????
side 2 (230): PART ????; M6-?????
side 1 (231): PART ????; M6-?????
side 2 (231): PART ????; M6-?????
side 1 (232): PART ????; M6-?????
side 2 (232): PART ????; M6-?????
side 1 (233): PART ????; M6-?????
side 2 (233): PART ????; M6-?????
side 1 (234): PART ????; M6-?????
side 2 (234): PART ????; M6-?????
side 1 (235): PART ????; M6-?????
side 2 (235): PART ????; M6-?????